Cardiff Air Quality
Current air-quality information for Cardiff, United Kingdom.
Air quality is generally considered satisfactory.
World Air Quality Index Project (WAQI) · Updated 2026-10-18T07:00:00+01:00Health context
At the current AQI of 25, Cardiff is in the Good category on the displayed AQI scale. Most people can continue normal outdoor activities. Current pollutant values shown for Cardiff are PM2.5 25 µg/m³, PM10 10 µg/m³, O₃ 8.9 µg/m³, NO₂ 2.3 µg/m³. The current reading is identified on this page as World Air Quality Index Project (WAQI).
Air-quality information is not medical advice. People with asthma, heart or lung disease, children, older adults and other sensitive groups may need to take additional precautions when pollution is elevated.
Recent History & Forecast
This chart shows atmospheric-model AQI history and forecast from Open-Meteo / Copernicus Atmosphere Monitoring Service (CAMS) model. It is separate from any monitoring-station observation shown in the Current AQI card.
What does AQI 25 mean in Cardiff?
Cardiff currently has an AQI of 25, which falls in the Good category. This indicates relatively low overall air pollution on the displayed AQI scale. Normal outdoor activity is generally appropriate for most people. The pollutant values currently shown for Cardiff are PM2.5 25 µg/m³, PM10 10 µg/m³, O₃ 8.9 µg/m³, NO₂ 2.3 µg/m³. The displayed current conditions are identified as World Air Quality Index Project (WAQI).
Nearby cities
- Bristol air quality — approximately 41 km away
- Swansea air quality — approximately 55 km away
- Southampton air quality — approximately 139 km away
- Plymouth air quality — approximately 141 km away
- Birmingham air quality — approximately 142 km away
- Wolverhampton air quality — approximately 143 km away
Related air-quality news and articles
- Food safety, air quality and empty homes improve across Cardiff - Herald.Wales — Herald.Wales · Oct 12, 2026
Recent external headlines are retrieved from Google News RSS and linked to the news result/publisher. Results are cached and filtered for both geographic and air-pollution relevance.